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摘要
首先选用液体石蜡和十八烷,制备出相变温度为16.9℃,相变潜热为124.2J/g的相变蓄冷材料,然后分别用高密度聚乙烯、低密度聚乙烯、聚丙烯和聚苯乙烯作基体包覆材料制备了4种石蜡复合定形相变储能材料。分析了不同支撑材料对相变温度和相变潜热的影响,并讨论了不同支撑材料中石蜡掺混比例的最大值。结果表明:高密度聚乙烯更适合做支撑材料,高密度聚乙烯与石蜡按最佳比例为3∶7。
Abstract
Paraffin wax and octadecane were firstly used to prepare a phase change cold storage material with the phase transition temperature of 16.9℃ and latent heat of phase change of 124.2J/g.Then using high density polyethylene,low density polyethylene,polypropylene,and polystyrene as matrix coating materials,respectively,four kinds of paraffin composite shaped phase change energy storage materials were prepared.The effects of different support materials on phase transition temperature and latent heat of phase change were analyzed.The maximum value of paraffin blending ratio in different support materials was discussed.The results shown that high-density polyethylene was more suitable as a support material,and the optimal ratio of high-density polyethylene to paraffin was 3∶7.
关键词
石蜡
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蓄冷剂
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定型相变材料
Key words
paraffin wax
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cool storage agent
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shaped phase change material
不同载体石蜡基定型相变蓄冷材料的制备[J].
化工新型材料, 2020, 48(11): 135-137 DOI:10.19817/j.cnki.issn 1006-3536.2020.11.030
[1] 邓军,何骞,刘长春,等.相变冷却服发展趋势[J].科技导报,2017,35(21):107-114.
[2] 田国华,吕恒林,黄建恩,等.室温复合石蜡相变陶粒制备及微观表征研究[J].工业建筑,2017,47(3):142-146.
[3] 何骞.基于相变材料的个体冷却服及其降温性能研究[D].西安:西安科技大学,2018.
[4] Sobolciak P,Karkri M,Al-Maadeed M A,et al.Thermal characterization of phase change materials based on linear low-density polyethylene,paraffin wax and expanded graphite[J].Renewable Energy,2016,88:372-382.
[5] Ruiz J,Ganatra Y,Bruce A,et al.Investigation of aluminum foams and graphite fillers for improving the thermal conductivity of paraffin wax-based phase change materials[C].Orlando,FL,USA:2017 16th IEEE Intersociety Conference on Thermal and Thermomechanical Phenomena in Electronic Systems (ITherm),2017.
基金资助
2016—2017度合肥学院人才基金项目(16-17Rc14);合肥学院2019年度科研发展基金重点项目(19ZR02ZDB)
